we are safer because of the work that david petraeus has done. >> reporter: as paula broadwell remained in washington and staying with her brother and still not talking, officials say the investigation was triggered in may, when general john allen received an e-mail called "kelley patrol." sources say they said stay away from her, sources close to him said she could ruin him allen she had not sent the e-mail but was concerned she was stalked or electronically hacked, referring to a meeting that she and general allen that she and general allen scheduled. sources say they received four different e-mails, telling jill, she is up to no good, asking him, do you know what your wife is doing when she has different with general petraeus? officials say the e-mail had enough inappropriate information . >> the general is doing enough work leading the forces, he certainly has my continued confidence to lead the forces and continue the fight >> reporter: also today, they looked into documents they took from broadwell's home, but so far found no evidence of any importance but today, broadwell's secur